Security Affairs

AUGUST 20, 2021

The Internet Systems Consortium (ISC) addressed a high-severity denial-of-service (DoS) flaw (CVE-2021-25218) affecting the BIND DNS software. Some operating systems allow packets received via other protocols to affect PMTUD values for DNS over UDP.” SecurityAffairs – hacking, BIND DNS ). Pierluigi Paganini.

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DNS Internet Internet Software 115

Adam Levin

MARCH 21, 2019

Department of Homeland Security issued an emergency directive in January 2019 giving government agencies ten days to verify that they weren’t compromised by DNS hijacking. Today, less than 20% of DNS traffic is secured by DNSSEC, and only three percent of Fortune 1,000 companies have implemented it.

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Security Affairs

JULY 26, 2024

The Internet Systems Consortium (ISC) released BIND security updates that fixed several remotely exploitable DoS bugs in the DNS software suite. The Internet Systems Consortium (ISC) released security updates for BIND that address DoS vulnerabilities that could be remotely exploited. In BIND 9 versions 9.18.1 S1 through 9.18.27-S1,

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DNS Software Internet Internet 145

Krebs on Security

JANUARY 22, 2019

Experts at Cisco Talos and other security firms quickly drew parallels between the two mass spam campaigns, pointing to a significant overlap in Russia-based Internet addresses used to send the junk emails. It’s an attacker’s dream, troublesome attribution and an endless number of names to use for malicious campaigns.”

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DNS Internet Internet Computers and Electronics 247

Cisco Security

MARCH 11, 2021

Reading up on these trends can inform you as to what types of attacks are currently active. After examining topics such as the MITRE ATT&CK framework , LOLBins , and others, this release will look at DNS traffic to malicious sites. We’ll also look at malicious DNS activity—the number of queries malicious sites receive.

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DNS Phishing Ransomware Internet 139

eSecurity Planet

DECEMBER 8, 2023

Domain name service (DNS) attacks threaten every internet connection because they can deny, intercept, and hijack connections. With the internet playing an increasing role in business, securing DNS plays a critical role in both operations and security. Everything You Need to Know.

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DNS DDOS Firewall Architecture 110

Troy Hunt

SEPTEMBER 17, 2020

I want a "secure by default" internet with all the things encrypted all the time such that people can move freely between networks without ever needing to care about who manages them or what they're doing with them. So what about DNS over HTTPS, or DoH ?

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VPN Phishing DNS Encryption 357

Krebs on Security

FEBRUARY 4, 2019

Spammy Bear targeted dormant but otherwise legitimate domains that had one thing in common: They all at one time used GoDaddy’s hosted Domain Name System (DNS) service. The domains documented by MyOnlineSecurity all had their DNS records altered between Jan. 31 and Feb. 22 report on the GoDaddy weakness. Image: Farsight Security.

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DNS Ransomware Accountability Internet 249

Security Affairs

MAY 24, 2024

The use of Dynamic DNS (DDNS) services embedded in appliances can potentially expose data and devices to attacks. The use of Dynamic DNS (DDNS) services embedded in appliances, such as those provided by vendors like Fortinet or QNAP, carries cybersecurity implications. It increases the discoverability of customer devices by attackers.

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Security Affairs

FEBRUARY 12, 2024

ExpressVPN addressed a bug in the split tunneling feature that exposed the domains visited by the users to configured DNS servers. The expert noticed that the DNS queries were sent to the DNS server configured on the computer. Anyway, disabling the split tunneling feature will prevent the leak of the DNS requests.

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DNS VPN Encryption Internet 141

Adam Levin

FEBRUARY 27, 2019

The infrastructure at the core of the internet is vulnerable to attack from state-sponsored hackers, its governing body warned. . DNS is the system through which online servers are routed to more user-friendly domain names. This practice is called “DNS hijacking.”. Each time someone enters in a domain name (e.g.

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Krebs on Security

MARCH 31, 2020

PT Monday evening, Escrow.com’s website looked radically different: Its homepage was replaced with a crude message in plain text: The profanity-laced message left behind by whoever briefly hijacked the DNS records for escrow.com. Running a reverse DNS lookup on this 111.90.149[.]49 Image: Escrow.com.

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Security Affairs

MAY 1, 2021

The Internet Systems Consortium (ISC) released updates for the BIND DNS software to patch several denial-of-service (DoS) and potential RCE flaws. The post Flaws in the BIND software expose DNS servers to attacks appeared first on Security Affairs. Follow me on Twitter: @securityaffairs and Facebook. Pierluigi Paganini.

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Security Affairs

APRIL 7, 2024

The flaw affects multiple D-Link NAS devices, including models DNS-340L, DNS-320L, DNS-327L, and DNS-325. An attacker can exploit the flaw to achieve command execution on the affected D-Link NAS devices, gain access to potential access to sensitive information, system configuration alteration, or denial of service.

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Internet Internet DNS Hacking 111

Security Affairs

MAY 3, 2022

A vulnerability in the domain name system (DNS) component of the uClibc library impacts millions of IoT products. Nozomi Networks warns of a vulnerability, tracked as CVE-2022-05-02, in the domain name system (DNS) component of the uClibc library which is used by a large number of IoT products. ” continues the advisory.

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DNS IoT Hacking Cybersecurity 132

Heimadal Security

FEBRUARY 4, 2022

DNS allows computer networks to associate numerous pieces of information with each web domain. To put it another way, all Domain Name Servers serve as the core internet address book. That’s why the DNS system converts each domain name […]. That’s why the DNS system converts each domain name […].

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DNS Internet Internet Cybersecurity 101

Security Affairs

SEPTEMBER 26, 2024

internet service providers (ISPs) as part of a cyber espionage campaign code-named Salt Typhoon. internet service providers in recent months as part of a cyber espionage campaign code-named Salt Typhoon. internet-service providers in recent months in pursuit of sensitive information, according to people familiar with the matter.”

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Internet Internet DNS Telecommunications 136

eSecurity Planet

NOVEMBER 10, 2023

DNS security protects the domain name system (DNS) from attackers seeking to reroute traffic to malicious sites. Since a majority of business IT traffic now accesses or passes through the internet, DNS plays an increasingly important — and vulnerable — role.

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Security Affairs

SEPTEMBER 23, 2020

Qurium analyzes the blocking implemented by four different operators in Belarus Belarus operators use their own infrastructure to implement the blocking Block techniques include transparent web proxies, injection of HTTP responses, stateless and stateful SSL DPI and fake DNS responses. Qurium forensics report: Internet blocking in Belarus.

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Internet Internet DNS Advertising 137

Krebs on Security

OCTOBER 4, 2021

We don’t yet know why this happened, but the how is clear: Earlier this morning, something inside Facebook caused the company to revoke key digital records that tell computers and other Internet-enabled devices how to find these destinations online. Kentik’s view of the Facebook, Instagram and WhatsApp outage. Update, 6:16 p.m.

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Internet Internet DNS Marketing 363

Krebs on Security

NOVEMBER 4, 2021

Here’s a look at a fairly elaborate SMS-based phishing scam that spoofs FedEx in a bid to extract personal and financial information from unwary recipients. Those who click “Next Step” after providing that information are asked to add a payment card to cover the $2.20 “redelivery fee.” com, g001bfedeex[.]com,

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Phishing Scams Mobile DNS 345

The Last Watchdog

JUNE 1, 2021

Primarily the Pharming attack is planned to gain sensitive data like login credentials, personally identifiable information (PII), social security numbers, bank details, and more. The Pharming attacks are carried out by modifying the settings on the victim’s system or compromising the DNS server. DNS Poisoning.

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DNS Phishing Social Engineering Cyber Attacks 214

Krebs on Security

OCTOBER 11, 2022

Microsoft says that to exploit this vulnerability an attacker would need to know the randomly generated DNS endpoint for an Azure Arc-enabled Kubernetes cluster. Security firm Rapid7 said that as of early September 2022 the company observed more than 190,000 potentially vulnerable instances of Exchange Server exposed to the Internet.

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DNS Internet Internet Cyber threats 310

Krebs on Security

APRIL 7, 2020

From February’s piece: At issue is a problem known as “ namespace collision ,” a situation where domain names intended to be used exclusively on an internal company network end up overlapping with domains that can resolve normally on the open Internet. Further reading: Mitigating the Risk of DNS Namespace Collisions (PDF).

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DNS Wireless Risk Passwords 338

Security Affairs

SEPTEMBER 25, 2022

The Internet Systems Consortium (ISC) fixed six remotely exploitable vulnerabilities in the BIND DNS software. The Internet Systems Consortium (ISC) this week released security patches to address six remotely exploitable vulnerabilities in BIND DNS software. SecurityAffairs – hacking, BIND DNS).

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DNS Software Internet Internet 113

Security Affairs

AUGUST 10, 2020

An attacker could use $300 worth of off-the-shelf equipment to eavesdrop and intercept signals from satellite internet communications. The academic researcher James Pavur, speaking at Black Hat 2020 hacking conference , explained that satellite internet communications are susceptible to eavesdropping and signal interception.

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Internet Internet Advertising Encryption 139

Krebs on Security

MARCH 9, 2023

While the defendant in this case hasn’t yet been named publicly, the NetWire website has been leaking information about the likely true identity and location of its owner for the past 11 years. In October 2012, the WorldWiredLabs domain moved to another dedicated server at the Internet address 198.91.90.7, org and wwlabshosting[.]com

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DNS Cybercrime Passwords Accountability 290

Krebs on Security

AUGUST 23, 2024

At issue is a well-known security and privacy threat called “ namespace collision ,” a situation where domain names intended to be used exclusively on an internal company network end up overlapping with domains that can resolve normally on the open Internet. SSL/TLS certs). ” Caturegli said setting up an email server record for memrtcc.ad

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DNS Internet Internet Authentication 310

eSecurity Planet

FEBRUARY 4, 2022

Malware is one of the biggest threats businesses face, and with nearly a third of all malware coming through the internet and email, businesses and consumers alike need ways to protect themselves. This guide covers the major categories of internet security suites and includes a few of the top options for each. Antivirus Software.

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Internet Internet Software Antivirus 141

Security Boulevard

MAY 20, 2022

What Is DNS Spoofing and How Is It Prevented? What Is the DNS and DNS Server? . To fully understand DNS spoofing, it’s important to understand DNS and DNS servers. The DNS “domain name system” is then what translates the domain name into the right IP address. What Is DNS Spoofing? .

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DNS Cyber Attacks Encryption Risk 98

Security Boulevard

JUNE 19, 2024

DNS enables the easy navigation from website to website as you currently know it. Many DNS resolvers - such as your internet service provider's (ISP) - do not encrypt queries and may log data and metadata surrounding your queries. This post aims to explore how and why - and doesn't leave out the limitations of encrypted DNS.

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DNS Encryption Firmware Surveillance 69

Krebs on Security

NOVEMBER 21, 2020

“This gave the actor the ability to change DNS records and in turn, take control of a number of internal email accounts. What’s more, the attack on escrow.com redirected the site to an Internet address in Malaysia that hosted fewer than a dozen other domains, including the phishing website servicenow-godaddy.com.

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Cryptocurrency VPN Scams Social Engineering 363

Krebs on Security

APRIL 13, 2022

While this won’t stop exploitation from attackers inside the local network, it will prevent new attacks originating from the Internet.” More information on those updates is available here.

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Krebs on Security

JULY 23, 2024

On July 16, the Internet Corporation for Assigned Names and Numbers (ICANN) sent a letter to the owners of the.top domain registry. ICANN said its review was based on information collected and studied about.top domains over the past few weeks. ” Image: Shutterstock. Interisle said.top has roughly 2.76 is hardly a new trend.

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Security Affairs

AUGUST 10, 2020

Our findings show that both Telenor and MPT block websites using DNS tampering. MPT is ignoring the DNS requests to the blocked domains, while Telenor is redirecting them to an IP address outside of the country. Adding this information to the block page would increase the transparency and trustworthiness of Telenor Myanmar.

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Internet Internet Telecommunications DNS 118

CSO Magazine

APRIL 13, 2023

Domain name system (DNS) tunneling is a pervasive threat that enables hackers to get any data in and out of a company's internal network while bypassing most firewalls. But DNS tunneling essentially smuggles hostile traffic through DNS ports, which makes these attacks difficult to detect and mitigate.

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DNS Risk Firewall Internet 83

Heimadal Security

JULY 28, 2023

Picture this scenario: you’re browsing the internet, going about your business, when suddenly a malicious website pops up out of nowhere. Your heart races as you realize that your sensitive data and personal information may be at risk. You scramble to find a solution to protect yourself and your company from these cyber threats.

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DNS Cyber Attacks Cyber threats Internet 85